The episode, originalled aired on Dec 2, 2008 on the National Geographic Channel, covers the ongoing global battle over marijuana prohibition, its history, and the growing culture of cannabis use for recreational and medical purposes.

Reporter Lisa Ling visits Vancouver’s Pot Block, as well as some secret and not-so-secret marijuana growing operations and other relevant pot spots.

Marc Emery, former publisher of Cannabis Culture and founder of the BC Marijuana Party, is shown at CCHQ (307 W. Hastings in Vancouver – see map) before his extradition to the US and imprisonment in a federal penitentiary. Emery was targeted by the US DEA for selling marijuana seeds and using the profits to fund marijuana legalization groups.